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Water system · PWSID CA2900523

WASHINGTON WATER DISTRICT

WASHINGTON, CA · ~330 people served

Check your exact address → WASHINGTON overview
85
Excellent
PurityRadar safety score

PWSID

CA2900523

State

California

City

WASHINGTON

Population served

330

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

12

Violations on record

2

Unaddressed

3

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2021. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring & reporting · Nitrate began Jul 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2020 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2020 Resolved
Monitoring & reporting · Total coliform began Aug 2012 Resolved
Monitoring & reporting · Total coliform began Dec 2008 Resolved
Treatment technique · EPA contaminant 0800 health-based began Oct 2007 Resolved
Treatment technique · EPA contaminant 0200 health-based began Nov 2002 Resolved
Monitoring & reporting · Total coliform began Oct 2002 Resolved
Monitoring & reporting · Total coliform began Mar 1997 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Aug 2021
  • State action · SFL Feb 2021
  • State action · SIA Oct 2020
  • State action · SOX Oct 2020
  • State action · SOX Jun 2018
  • State action · SFL Feb 2018
  • State action · SFL Jan 2017
  • State action · SFL Jan 2017

This profile is built from EPA public records for system CA2900523 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.